Reporting Spills: 602-771-2330 or (800) 234-5677

The Emergency Response Unit is on call 24-hours/day, 7 days a week to ensure that all environmental emergencies are promptly addressed. The Unit works to minimize injuries, deaths, property damage and threats to the environment from chemical spills, fires, explosions and other pollutant releases.

A spill of any quantity that impacts a waterway within the State of Arizona must be reported. If in doubt, report the spill.

For information regarding State reporting requirements, when to call, who to call, please call the Emergency Response Unit during normal business hours (8:00 – 5:00 MST) at either (602) 771-4106 or (602) 771-4163.

For non-emergency environmental concerns or situations that you believe threaten the environment please file a complaint.

The table below categorizes what constitutes a complaint and what is an emergency.